Pulmoary nodule caused by Enterobius vermicularis

Abstract

A pinworm, Enterobius vermicularis, collaped and with the egg-laden uterus prolapsed into the surrounding tissue was identified in histopathological sections of a nodule discovered by routine roentgenograph and surgically removed from the lung of a 23-year-old man in Connecticut, U.S.A., the second such case to be reported.